telescope - Kids | Britannica Kids | Homework Help
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Meade 6" f/4.1 LX85 Astrograph Reflector Telescope
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Reflecting telescope - Wikipedia
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Refracting telescope - Wikipedia
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Reflecting Telescope
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Reflecting telescope - Wikipedia
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Telescope - Reflecting, Astronomy, Optics | Britannica
Reflecting telescope - Wikipedia
Galileo and the telescope – Explaining Science
